John Henry Cardinal Newman 
Callista [PDF ebook] 
A Sketch of the Third Century

Whilst the greatest effort has been made to ensure the quality of this text, due to the historical nature of this content, in some rare cases there may be minor issues with legibility. IT is hardly necessary to say that the following sketch is a simple fiction from beginning to end. It has little in it of actual history, and not much claim to antiquarian research; yet it has required more reading than may appear at first sight.